28835539 has 2 divisors, whose sum is σ = 28835540. Its totient is φ = 28835538.

The previous prime is 28835503. The next prime is 28835561. The reversal of 28835539 is 93553882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28835539 - 2¹¹ = 28833491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28835495 and 28835504.

It is not a weakly prime, because it can be changed into another prime (28835579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14417769 + 14417770.

It is an arithmetic number, because the mean of its divisors is an integer number (14417770).

Almost surely, 2^28835539 is an apocalyptic number.

28835539 is a deficient number, since it is larger than the sum of its proper divisors (1).

28835539 is an equidigital number, since it uses as much as digits as its factorization.

28835539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 43.

The square root of 28835539 is about 5369.8732759722. The cubic root of 28835539 is about 306.6498038669.

The spelling of 28835539 in words is "twenty-eight million, eight hundred thirty-five thousand, five hundred thirty-nine".